DAICO DA0998 Datasheet

FEATURES

VCA

20 - 700 MHz
52 dB Linear Range
±2 dB Linearity
3 dB Insertion Loss
14 Pin Flat Pack
See DA0098 For 14 Pin DIP Version

PART
IDENTIFICATION

14

1

CONTRASTING

COLOR BEAD

.82

.100

TYP

.015±.002 DIA

14 PLACES

8

.50

7

.xx = .02

.xxx = .010

.19

.075

RF

6

IN/OUT

2

FACTORY

TEST ONLY-

NO EXTERNAL

CONNECTION

MODEL NO.

DA0998

PIN Diode VCA

•

•

1

-15V14+15V12CONT

N/C = NO INTERNAL CORRECTION

5103

RF

•

•

•

713

GND

9

OUT/IN

••

8

N/C

N/C11N/C

4

VSWR

1.8

1.4

1.2

1.0

TYPICAL PERFORMANCE

Attenuation vs Control Voltage

50

40

30

20

ATTENUATION (dB)

10

0

01234 5

TYPICAL PERFORMANCE

I.L. (dB)

2.0

1.51.6

1.0

0.5

0

10

at 25°C

CONTROL VOLTAGE

at 25°C

I. LOSS

VSWR

100

40

FREQUENCY (MHz)

1000400

500 MHz
600 MHz
700 MHz

GUARANTEED PERFORMANCE

Parameter Min Typ Max Units Conditions

Operating Frequency 20 700 MHz
DC Current 42 65 mA At +15 VDC Supply

Control Current 1.0 mA 0 V Input is Thru

Insertion Loss 1.8 3.0 dB
Attenuation

Range

Slope

Linearity

VSWR 1.3/1 1.5/1
Impedance 50 OHMS
Slew Rate 6 dB/µs
Intercept Points

RF Power

2nd

3rd

Operate

No Damage

Operating Temperature -55 +25 +85 °CTA

80 110 mA At -15 VDC Supply

+5 V Input is Max. Atten.

40 52 dB 20 - 300 MHz
28 42 dB 300 - 700 MHz
10 14 dB/V

±2dB Best Straight Line Fit From

IL +2 dB to Min. Range

+70 dBm 260 MHz / 140 MHz
+45 dBm 130 MHz / 140 MHz

+10 dBm
+20 dBm

DAICO I ndustries

Rev. A / Iss. 1